H
AllChemicals — The Online Chemical Glossary | https://allchemicals.info/chemical/hydrogen-peroxide
Quick Reference
| Formula / Notation | H2O2 |
|---|---|
| CAS Number | 7722-84-1 |
| Molecular Weight | 34.015 |
| Melting Point | 31.3 °F (NTP, 1992) |
| Boiling Point | 302.4 °F at 760 mmHg (NTP, 1992) |
| Density | 1.11 at 68 °F (NTP, 1992) - Denser than water; will sink |
| Solubility | greater than or equal to 100 mg/mL at 72 °F (NTP, 1992) |
| Appearance | Hydrogen peroxide, aqueous solution, stabilized, with more than 60% hydrogen peroxide appears as a colorless liquid. Vapors may irritate the eyes and mucous membranes. Under prolonged exposure to f... |
| Also Known As | 7722-84-1; oxydol; perhydrol; Superoxol; Interox; Hydrogen dioxide; Inhibine; Peroxaan; Albone; Hioxyl |
| Category | Inorganic Compounds |
What is Hydrogen peroxide?
Peroxides is compounds of structure ROOR'. It has a role as an oxidising agent. It contains a peroxy group.
Formula & Notation
H2O2
IUPAC Name: hydrogen peroxide
Other Names / Synonyms: 7722-84-1; oxydol; perhydrol; Superoxol; Interox; Hydrogen dioxide; Inhibine; Peroxaan; Albone; Hioxyl
Properties & Characteristics
Appearance: Hydrogen peroxide, aqueous solution, stabilized, with more than 60% hydrogen peroxide appears as a colorless liquid. Vapors may irritate the eyes and mucous membranes. Under prolonged exposure to f.... Molecular formula: H2O2. Molecular weight: 34.015 g/mol. Boiling point: 302.4 °F at 760 mmHg (NTP, 1992). Melting point: 31.3 °F (NTP, 1992). Density: 1.11 at 68 °F (NTP, 1992) - Denser than water; will sink. Solubility: greater than or equal to 100 mg/mL at 72 °F (NTP, 1992). Vapor pressure: 1 mmHg at 59.5 °F (NTP, 1992). LogP: -0.9.
Physical Data
| Property | Value |
|---|---|
| Melting Point | 31.3 °F (NTP, 1992) |
| Boiling Point | 302.4 °F at 760 mmHg (NTP, 1992) |
| Density | 1.11 at 68 °F (NTP, 1992) - Denser than water; will sink |
| Molecular Weight | 34.015 |
| Solubility | greater than or equal to 100 mg/mL at 72 °F (NTP, 1992) |
| Appearance | Hydrogen peroxide, aqueous solution, stabilized, with more than 60% hydrogen peroxide appears as a colorless liquid. Vapors may irritate the eyes and mucous membranes. Under prolonged exposure to f... |
Uses & Applications
Used in industrial processes, materials science, semiconductor manufacture, ceramics, or as a catalyst.
Safety Information
May be corrosive, toxic, or an oxidising agent. Handle in well-ventilated area. Consult SDS before use.
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Term
Hydrogen peroxide
Formula
H2O2
CAS Number
7722-84-1
Molecular Weight
34.015
Category
Inorganic Compounds
Index
All "H" terms
Synonyms
7722-84-1; oxydol; perhydrol; Superoxol; Interox; Hydrogen dioxide; Inhibine; Peroxaan; Albone; Hioxyl
Frequently Asked Questions
Peroxides is compounds of structure ROOR'. It has a role as an oxidising agent. It contains a peroxy group.
Used in industrial processes, materials science, semiconductor manufacture, ceramics, or as a catalyst.
May be corrosive, toxic, or an oxidising agent. Handle in well-ventilated area. Consult SDS before use.
The formula or notation for Hydrogen peroxide is: H2O2
More "H" Terms
1-Hexanol
C6H14O
2-Hydroxyethyl methacrylate
C6H10O3
4-Hydroxybenzaldehyde
C7H6O2
Haber Process
N₂ + 3H₂ ⇌ 2NH₃ | ΔH = −92 kJ/mol
Hafnium
Hf
Half Cell
Half Life
Half-Cell
E = E° − (RT/nF)lnQ
Half-Life
A(t) = A₀e^(−λt); t½ = ln2/λ
Half-Reaction
Halide
X⁻ (e.g., F⁻, Cl⁻, Br⁻, I⁻)
Halogen
F₂, Cl₂, Br₂, I₂, At; Group 17; ns²np⁵ valence configuration
View all "H" terms →
Editorial standards: Chemical data is sourced from peer-reviewed literature,
CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA,
and IAEA. For educational purposes only — always consult official SDS documentation and qualified
professionals before handling chemicals.